Which of the following does not have a viral etiology ?

Related Mcqs:

The oral mucosa becomes rigid, blanched and opaque in which of the following conditions?

A. Pemphigus vulgaris B. Lupus erythematoses C. Ehlers-Danlos syndrome D. Submucous fibrosis...

A lesion composed of microscopic vessels is called as ______________?

A. Haemangioma B. Angioma C. None of Haemangioma and Angioma D. Heamangioma and Angioma...

A rhabdomyoma is a tumour origination from______________?

A. Never tissue B. Smooth muscle C. Striated muscle D. Vascular endothelium...

A patient complains of numbness of lower lip. There is no history of tooth extraction. It could be______________?

A. Infection B. Metastatic neoplasia C. Dental Manipulation D. CNS disease...

Keratocanthoma is found most commonly on ?

A. Lip B. Gingiva C. Tongue D. Hard palate...